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Natural teeth and cognitive function in humans

Bergdahl, Maud (author)
Habib, Reza (author)
Bergdahl, Jan, 1949- (author)
Umeå universitet,Institutionen för psykologi
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Nyberg, Lars (author)
Umeå universitet,Diagnostisk radiologi,Institutionen för integrativ medicinsk biologi (IMB)
Nilsson, Lars-Göran (author)
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 (creator_code:org_t)
Wiley, 2007
2007
English.
In: Scandinavian Journal of Psychology. - : Wiley. - 0036-5564 .- 1467-9450. ; 48:6, s. 557-565
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • A number of neurobiological, psychological and social factors may account for cognitive impairment. In animal studies a relation between dental status and cognitive performance has been found. It is unclear whether such a relation exists for humans. In a first step we compared the performance of 1,351 participants (53% women, 47% men; age M = 54.0) with natural teeth to 487 edentulous participants (59% women, 41% men; age M = 71.3) on 12 cognitive tests. The natural teeth group had a lower mean age, fewer women, more years of education, higher mini-mental state (MMSE), and performed significantly higher on several cognitive tests. In a subsequent analysis, the cognitive performance of a subset of the participants (50–85 years) was examined. In this analysis, 211 had natural dentition and 188 were edentulous. The groups were matched for gender, age, social variables, diseases, stress and MMSE. The cognitive disadvantage of the edentulous group was still apparent. The results suggest that functional natural teeth relate to relatively preserved cognitive functioning in older age.

Subject headings

SAMHÄLLSVETENSKAP  -- Psykologi (hsv//swe)
SOCIAL SCIENCES  -- Psychology (hsv//eng)

Keyword

cognition
edentulous
humans
memory
natural teeth
MEDICINE
MEDICIN
Psychology
Psykologi
medicin
Medicine
Psychology
psykologi
Sociology
sociologi

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art (subject category)

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Bergdahl, Maud
Habib, Reza
Bergdahl, Jan, 1 ...
Nyberg, Lars
Nilsson, Lars-Gö ...
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SOCIAL SCIENCES
SOCIAL SCIENCES
and Psychology
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Scandinavian Jou ...
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Umeå University

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